PreemptiveFastFailException (Apache HBase 1.2.12 API)

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.io.IOException
    - - java.net.SocketException
      - java.net.ConnectException
        
        org.apache.hadoop.hbase.exceptions.PreemptiveFastFailException

All Implemented Interfaces:

Serializable
```
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class PreemptiveFastFailException
extends ConnectException
```
Thrown when the client believes that we are trying to communicate to has been repeatedly unresponsive for a while. On receiving such an exception. The HConnectionManager will skip all retries and fast fail the operation.

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`private long`	`failureCount`
`private static long`	`serialVersionUID`
`private long`	`timeOfFirstFailureMilliSec`
`private long`	`timeOfLatestAttemptMilliSec`

Constructor Summary

Constructors
Constructor and Description
`PreemptiveFastFailException(long count, long timeOfFirstFailureMilliSec, long timeOfLatestAttemptMilliSec, ServerName serverName)`

Method Summary

Methods
Modifier and Type Method and Description

long getFailureCount()

long getFirstFailureAt()

long getLastAttemptAt()

boolean wasOperationAttemptedByServer()
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods
Modifier and Type	Method and Description
`long`	`getFailureCount()`
`long`	`getFirstFailureAt()`
`long`	`getLastAttemptAt()`
`boolean`	`wasOperationAttemptedByServer()`

Field Detail

serialVersionUID
```
private static final long serialVersionUID
```
See Also:
Constant Field Values

failureCount
```
private long failureCount
```

timeOfFirstFailureMilliSec

private long timeOfFirstFailureMilliSec

timeOfLatestAttemptMilliSec

private long timeOfLatestAttemptMilliSec

Constructor Detail

PreemptiveFastFailException

public PreemptiveFastFailException(long count,
                           long timeOfFirstFailureMilliSec,
                           long timeOfLatestAttemptMilliSec,
                           ServerName serverName)

Parameters:: count -; timeOfFirstFailureMilliSec -; timeOfLatestAttemptMilliSec -; serverName -

Method Detail

getFirstFailureAt
```
public long getFirstFailureAt()
```

getLastAttemptAt
```
public long getLastAttemptAt()
```

getFailureCount
```
public long getFailureCount()
```

wasOperationAttemptedByServer

public boolean wasOperationAttemptedByServer()

Class PreemptiveFastFailException

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Throwable

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

failureCount

timeOfFirstFailureMilliSec

timeOfLatestAttemptMilliSec

Constructor Detail

PreemptiveFastFailException

Method Detail

getFirstFailureAt

getLastAttemptAt

getFailureCount

wasOperationAttemptedByServer